disconnect(boolean deferred)
disconnect this connection.
if param is true, connection will be closed
after all current requests are finished.
if param is false, connection will be closed,
without waiting requests finished.

java.io.InputStream

getInputStream()
get InputStream, if null, create socket and
start ReaderThread.

java.io.OutputStream

getOutputStream()
get OutputStream, if null, create socket and
start ReaderThread.